AP BIOLOGY

Detailed explanation-1: -If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.

Detailed explanation-2: -Plasmolysis is the process resulting in the net efflux of water molecules via osmosis. A cell that has undergone plasmolysis is characterized by the shrinking of protoplasm. Thus, an indication that plasmolysis occurs is the gap forming between the cell wall and the plasma membrane.

Detailed explanation-3: -A hypertonic solution has increased solute, and a net movement of water outside causing the cell to shrink.

Detailed explanation-4: -If a cell encounters a hypotonic environment, (like pure water for instance), water will diffuse into the cell and the cell will begin to swell. This can of course lead to an explosion of sorts.

Detailed explanation-5: -The different types of osmosis include: Endosmosis-when a substance is placed in a hypotonic solution, the solvent molecules move inside the cell and the cell becomes rigid. Exosmosis-when a substance is placed in a hypertonic solution, the solvent molecules move out of the cell and the cell becomes flaccid.